Calvin was glad to hear her laugh; in a way, it's what he'd been going for during the whole conversation. When Emily asked about his vision, though, Calvin's breath caught in his throat. He shook his head slowly. "I'm sorry, Em. I... I just can't. I can't do anything about it and I don't want anyone else to be worried either and..." he bit his lower lip. "I don't even like to think about it, really."